Home / 123,332.43-170,199.27-66,743.79

Finding the Fourth Proportional to 123,332.43, 170,199.27 and 66,743.79

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Solution

The fourth proportional to 123,332.43, 170,199.27 and 66,743.79 is: 92,106.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.43 : 170,199.27 = 66,743.79 : x
  2. Step 2: Convert to fraction form
    123,332.43/170,199.27 = 66,743.79/x
  3. Step 3: Cross multiply
    123,332.43x = 170,199.27 × 66,743.79
  4. Step 4: Simplify right side
    123,332.43x = 11,359,744,335.03
  5. Step 5: Solve for x
    x = 11,359,744,335.03/123,332.43
  6. Step 6: Final answer
    x = 92,106.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.